RFR (S): CR 8005926: (thread) Merge ThreadLocalRandom state into java.lang.Thread (original) (raw)

Alan Bateman Alan.Bateman at oracle.com
Tue Jan 15 08:55:48 UTC 2013

On 14/01/2013 23:55, Doug Lea wrote:

Thanks to Alan and Aleksey for noticing this and to Chris for offering some serialPersistentFields incantations! (The only way to serialize a TLR represents a strange abuse to begin with. You'd need to save the result of ThreadLocalRandom.current() in a field of a serialized object. Which would be a terrible idea ...) It does seem nonsensical. Given that the padding isn't used then the simplest thing might be to do "nothing", meaning treat this update as an API change that changes the serialized form. I don't see any compatibility issues as deserialization on an older release will just leave the padding fields with their default values (and as they are unused then it shouldn't matter). I think this would be simplest than adding serialPersistentFields and a writeObject to write these unused fields.

-Alan

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